Sun Microsystems X4150 manual transmission control, Transmission Control Protocol/Internet

Models: X4150

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transmission control

transmission control

block (TCB) Part of the Transmission Control Protocol/Internet Protocol (TCP/IP) that records and maintains information about the state of a connection.

Transmission Control

Protocol/Internet

Protocol (TCP/IP) An Internet protocol that provides for the reliable delivery of data streams from one host to another. TCP/IP transfers data between different types of networked systems, such as systems running Solaris, Microsoft Windows, or Linux software. TCP guarantees delivery of data and that packets will be delivered in the same sequence in which they were sent.

trap Event notification made by Simple Network Management Protocol (SNMP) agents by their own initiative when certain conditions are detected. SNMP formally defines seven types of traps and permits subtypes to be defined.

Trivial File Transport

Protocol (TFTP) A simple transport protocol that transfers files to diskless systems. TFTP uses User Datagram Protocol (UDP).

U

uninterruptible power

supply (UPS) An auxiliary or backup power supply that provides electrical service over extended system power outages. A UPS for a LAN or computer system provides continuous power in the event of a power failure.

Universal Serial Bus

(USB) An external bus standard that supports data transfer rates of 450 Mbit/sec. (USB 2.0). A USB port connects devices, such as mouse devices, keyboards, modems, and printers to the computer system.

unshielded twisted pair/shielded twisted

pair (UTP/STP) A type of Ethernet cable.

user account A record of essential user information that is stored on the system. Each user who accesses a system has a user account.

User Datagram Protocol

(UDP) A connectionless, transport layer protocol that adds some reliability and multiplexing to the Internet Protocol (IP). UDP enables one application program to deliver, via IP, datagrams to another application program on another machine. The Simple Network Management Protocol (SNMP) is usually implemented over UDP.

128 Sun Fire X4150 Server Embedded Lights Out Manager Administration Guide • September 2007

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Sun Microsystems X4150 manual transmission control, Transmission Control Protocol/Internet, Trivial File Transport